Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...84....1b&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 84, no. 1, July 1990, p. 1-10.
Astronomy and Astrophysics
Astrophysics
18
Astronomical Photometry, Charge Coupled Devices, Stellar Color, Astrometry, Astronomical Catalogs, Galactic Evolution, Lyra Constellation
Scientific paper
Three-dimensional photometric classification can be made for stars measured in the Vilnius seven-color intermediate-band system, even if they are reddened by dust. Such classification is important for questions relating to the structure and evolution of the Galaxy. Presented here for general use is CCD photometry of 231 field stars in Lyra observed with the 0.9-m telescope at KPNO. The measurements are of higher accuracy than those of a photographic study in the same direction in Lyra. The data sets cover two small fields each about 31 arcmin square and are complete to 90 percent for all stars up to the faint limit of V = 17.5.
Boyle Richard P.
Nandy K.
Smriglio F.
Straizys Vytautas
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